D2C HOUSEJoin the community
The D2C Atlas
Growth playbook / 31 of 76Public research · Accessed 2026-10-05

Cafés Di-Costanzo

Coffee / grinding and subscription

Headquarters

France · Specialty coffee · online

Acquisition · observed

Discovery catalogue and public offer of coffee/tea by subscription.

Conversion · observed

Bean/grind selection and 250g or 1kg formats in the offer.

Repeat & retention · observed

Monthly replenishment with subscription discount.

The growth sequence / our inference

How Cafés Di-Costanzo's loop likely runs.

Built from the public tactics above. It is a reading of the mechanism, not the brand's internal strategy, and seeing a tactic doesn't prove it caused growth.

  1. 01

    Choose coffee and grind

  2. 02

    Try

  3. 03

    Favourite

  4. 04

    Recurring delivery

Two tests worth running / proposed

What we'd test next.

Recommendations to try, not confirmed strategies. Compare randomly assigned groups within the eligible audience and read the KPI alongside incremental margin.

Test 1

Correct grind before second order

Trigger / audience
Buyer indicates machine or brewing method
Proposed action
Recommend compatible grind and repeat favourite coffee
Main KPI
Orders retained and margin per buyer
Measurement window
A full purchase/renewal cycle; set duration with historical data before testing

Test 2

Discovery to routine

Trigger / audience
Customer from discovery selection declares favourite coffee
Proposed action
Offer favourite in format/frequency according to consumption
Main KPI
Margin after two recurring orders
Measurement window
A full purchase/renewal cycle; set duration with historical data before testing

Evidence limit

Subscription rate or consumption equivalence between sizes is unknown. No product has been purchased and no customer inbox has been observed.

Sources